<?php
class ModelMarketingCoupon extends Model {
  public function addCouponToCustomer($customer_id, $data) {
    
    $coupon_ids = array();
    if(!isset($data['number'])) {
      $data['number'] = 1;
    }
    $number = (int)$data['number'];
    while($number > 0) {
      $number--;
      $data['code'] = substr(md5(uniqid(rand(), true)), 0, 10);
      $coupon_id = $this->addCoupon($data);
      $coupon_ids[] = $coupon_id;
    }
    foreach ($coupon_ids as $coupon_id) {
      $data2 = array('customer_id'=>$customer_id, 'coupon_id'=>$coupon_id, 'comment'=>'');
      $CustomerCoupon = M('customer_coupon');
      $CustomerCoupon->data($data2)->add();
    }
    echo $CustomerCoupon->getlastsql();

  }

  public function addCoupon($data) {

    $this->db->query("INSERT INTO " . DB_PREFIX . "coupon SET name = '" . $this->db->escape($data['name']) . "', code = '" . $this->db->escape($data['code']) . "', discount = '" . (float)$data['discount'] . "', type = '" . $this->db->escape($data['type']) . "', total = '" . (float)$data['total'] . "', logged = '" . (int)$data['logged'] . "', shipping = '" . (int)$data['shipping'] . "', date_start = '" . $this->db->escape($data['date_start']) . "', date_end = '" . $this->db->escape($data['date_end']) . "', uses_total = '" . (int)$data['uses_total'] . "', uses_customer = '" . (int)$data['uses_customer'] . "', status = '" . (int)$data['status'] . "', date_added = NOW()");

    $coupon_id = $this->db->getLastId();

    if (isset($data['coupon_product'])) {
      foreach ($data['coupon_product'] as $product_id) {
        $this->db->query("INSERT INTO " . DB_PREFIX . "coupon_product SET coupon_id = '" . (int)$coupon_id . "', product_id = '" . (int)$product_id . "'");
      }
    }

    if (isset($data['coupon_category'])) {
      foreach ($data['coupon_category'] as $category_id) {
        $this->db->query("INSERT INTO " . DB_PREFIX . "coupon_category SET coupon_id = '" . (int)$coupon_id . "', category_id = '" . (int)$category_id . "'");
      }
    }


    return $coupon_id;
  }

  public function getCoupon($coupon_id) {
    $query = $this->db->query("SELECT DISTINCT * FROM " . DB_PREFIX . "coupon WHERE coupon_id = '" . (int)$coupon_id . "'");

    return $query->row;
  }

  public function getCouponByCode($code) {
    $query = $this->db->query("SELECT DISTINCT * FROM " . DB_PREFIX . "coupon WHERE code = '" . $this->db->escape($code) . "'");

    return $query->row;
  }

  public function getCoupons($data = array()) {
    $sql = "SELECT coupon_id, name, code, discount, date_start, date_end, status FROM " . DB_PREFIX . "coupon";

    $sort_data = array(
      'name',
      'code',
      'discount',
      'date_start',
      'date_end',
      'status'
    );

    if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
      $sql .= " ORDER BY " . $data['sort'];
    } else {
      $sql .= " ORDER BY name";
    }

    if (isset($data['order']) && ($data['order'] == 'DESC')) {
      $sql .= " DESC";
    } else {
      $sql .= " ASC";
    }

    if (isset($data['start']) || isset($data['limit'])) {
      if ($data['start'] < 0) {
        $data['start'] = 0;
      }

      if ($data['limit'] < 1) {
        $data['limit'] = 20;
      }

      $sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
    }

    $query = $this->db->query($sql);

    return $query->rows;
  }

  public function getCouponProducts($coupon_id) {
    $coupon_product_data = array();

    $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "coupon_product WHERE coupon_id = '" . (int)$coupon_id . "'");

    foreach ($query->rows as $result) {
      $coupon_product_data[] = $result['product_id'];
    }

    return $coupon_product_data;
  }

  public function getCouponCategories($coupon_id) {
    $coupon_category_data = array();

    $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "coupon_category WHERE coupon_id = '" . (int)$coupon_id . "'");

    foreach ($query->rows as $result) {
      $coupon_category_data[] = $result['category_id'];
    }

    return $coupon_category_data;
  }

  public function getTotalCoupons() {
    $query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "coupon");

    return $query->row['total'];
  }

  public function getCouponHistories($coupon_id, $start = 0, $limit = 10) {
    if ($start < 0) {
      $start = 0;
    }

    if ($limit < 1) {
      $limit = 10;
    }

    $query = $this->db->query("SELECT ch.order_id, c.fullname AS customer, ch.amount, ch.date_added FROM " . DB_PREFIX . "coupon_history ch LEFT JOIN " . DB_PREFIX . "customer c ON (ch.customer_id = c.customer_id) WHERE ch.coupon_id = '" . (int)$coupon_id . "' ORDER BY ch.date_added ASC LIMIT " . (int)$start . "," . (int)$limit);

    return $query->rows;
  }

  public function getTotalCouponHistories($coupon_id) {
    $query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "coupon_history WHERE coupon_id = '" . (int)$coupon_id . "'");

    return $query->row['total'];
  }
}